# 31750-ZW1-003 Honda Regulator | Genuine Used Part

🔧 Product Description

  

Genuine Honda Rectifier / Regulator - Part Number: 31750-ZW1-003

  

A genuine OEM electrical component used on the matching marine engine electrical system. This part must be matched by exact part number, model and serial details before installation.

  

⚙️ Key Features

  

• Genuine OEM electrical component

• Correct part number reference 31750-ZW1-003

• Full electrical diagnostic relevance

• Requires exact model and serial confirmation

• Used in marine ignition, charging, harness, trim or control systems where specified

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 31750-ZW1-003 current / listed Honda regulator reference

  

OEM / Related Numbers:

  

• 31750-ZW1-003

• 31750ZW1003

• Voltage regulator rectifier

• Regulator / rectifier assembly

• Charging regulator

  

Aftermarket / Verified Equivalents:

  

• Aftermarket regulator / rectifier replacement for 31750-ZW1-003

• Areyourshop / aftermarket regulator family: RRV-A253 / PMS001AMZUS

• FridayParts aftermarket replacement for 31750-ZW1-003

  

🚤 Compatibility

  

Commonly used on:

  

• Honda Rectifier / Regulator applications

  

Typically suits:

  

• Engine models:

• Honda BF75 75HP - 1997-2006

• Honda BF90 90HP - 1997-2006

• Honda BF75 / BF90 charging-system applications where specified

  

• HP Range: 75HP - 90HP

• Engine Type: Honda four-stroke outboard

• Year Range: 1997 - 2006

• Serial / Model Note: Match by frame serial number, regulator plug count, wire count and mounting-hole layout.

  

🔌 Function

  

This component performs its assigned ignition, charging, trim, control or signal function within the outboard electrical system.

  

Common signs of failure:

  

• Battery not charging

• Overcharging or high battery voltage

• Charging warning or tachometer fault

• Burnt or melted regulator plug

• Blown charging-system fuse

• Battery goes flat after running

• Voltage remains incorrect after stator and battery checks

  

📦 Condition

  

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated

## Details

- **Price:** 75.0 AUD
- **Vendor:** Sawley's Auto and Marine
- **Tags:** Sawley’s AAM Used Parts – Electronic Components | ECU CDI & Electrical Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 75.00 AUD | In stock |

## Images

- 31750-ZW1-003 Honda Regulator | Genuine Used Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/31750-zw1-003-honda-regulator-genuine-used-part)
> Updated: 2026-06-29